Compartment structure of bottle case



FIG. 1 is a top perspective view of a compartment structure of a bottle case showing our new design;

FIG. 2 is a top plan thereof; and,

FIG. 3 is a bottom plan view thereof.

The broken lines depict environmental structure which forms no part of the claimed design. 

The ornamental design for a compartment structure of bottle case, as shown and described. 